// Copyright status: this file is in the public domain.

#include <stdlib.h>

#include <lx.h>
#include <lx-xi.h>
#include <lx-shape.h>
#include <lx-shape-int.h>
#include <lx-shape-proto.h>

void lx_shape_Offset(LX_CONN *xc, LX_XID dst, LX_SHAPE_KIND kind, int xoff, int yoff)
{
 LX_SHAPE_PRIV *p;
 unsigned char req[16];
 int proto_kind;

 if (lxxi_conn_failed(xc))
  { lxxi_bad_call(xc,"ls_shape_GetRectangles");
    return;
  }
 p = lx_get_private(xc,lx_shape__px);
 if (! p)
  { lxxi_bad_call(xc,"lx_shape_Offset");
    return;
  }
 proto_kind = lx_shape__kind_to_proto(kind);
 if ( (proto_kind < 0) ||
      (xoff < -32768) || (xoff > 32767) ||
      (yoff < -32768) || (yoff > 32767) )
  { lxxi_bad_call(xc,"lx_shape_Offset");
    return;
  }
 lxxi_nochain(xc);
 req[0] = p->major;
 req[1] = SHAPE_Offset;
 lxxi_w_card16(&req[2],4);
 req[4] = proto_kind;
 req[5] = 0;
 req[6] = 0;
 req[7] = 0;
 lxxi_w_card32(&req[8],dst);
 lxxi_w_int16(&req[12],xoff);
 lxxi_w_int16(&req[14],yoff);
 lxxi_send_req(xc,req,-1);
}